Home / 77,739.67-116,626.52-25,148.40

Finding the Fourth Proportional to 77,739.67, 116,626.52 and 25,148.40

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Solution

The fourth proportional to 77,739.67, 116,626.52 and 25,148.40 is: 37,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,739.67 : 116,626.52 = 25,148.40 : x
  2. Step 2: Convert to fraction form
    77,739.67/116,626.52 = 25,148.40/x
  3. Step 3: Cross multiply
    77,739.67x = 116,626.52 × 25,148.40
  4. Step 4: Simplify right side
    77,739.67x = 2,932,970,375.57
  5. Step 5: Solve for x
    x = 2,932,970,375.57/77,739.67
  6. Step 6: Final answer
    x = 37,728.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.